Sleep does far more than help you feel rested. New research suggests that certain nighttime habits may have a significant ...

Too little or too much sleep might be hurting you more than you think.

Sleep helps the brain clear waste and reset—if disrupted often, it may affect long-term brain health.

Don’t sleep on a few troubling behaviors that could increase your risk of developing dementia. Known risk factors for ...

A study found quetiapine reduced obstructive sleep apnea events but tripled attention lapses and impaired driving the next ...

Your sleep quality can affect many systems in the body, from heart to brain health. A study suggests 6.4 to 7.8 hours of ...

Getting adequate sleep affects more than just energy levels—research suggests it also plays a major role in memory, cognition ...

How we sleep may have lasting impacts on our brain health as we age. A new University of Arizona study has found that several ...

A new study to be presented at the SLEEP 2026 annual meeting found that women with moderate-to-severe obstructive sleep apnea ...

A new study uses optogenetics to induce localized sleep in awake mice, reversing memory loss from sleep deprivation.

What is a sleep study? A sleep study, also known as a polysomnogram, is a diagnostic test that monitors various body functions while a person is asleep. It is most commonly used to diagnose sleep ...

Medicare Part B may cover sleep studies, including polysomnographies, to screen for obstructive sleep apnea (OSA) if a person shows clinical signs and their doctor provides medical evidence supporting ...